查询词典 petroleum

ERG is one of the most prominent Groups in Italy and it is the first amongst those operating in the petroleum and energy sector.

ERG是在意大利最早涉足石油及能源领域的公司，是目前意大利最卓越的石油及能源集团公司之一。

ResultsThe contents of six samples in fatty oil and petroleum ether extracts had no difference,but they had significant difference in water extracts ,ethanol extracts,aesculetin and esculin.

结果各地千金子样品脂肪油组分、醚溶性成分差别不大，水溶性成分、醇溶性成分、秦皮乙素和七叶树苷差异较大。

Asia Pacific petroleum product demand is estimated to have increased by 215 kb/d in 2002, with China projected to account for about 65 percent of the increase (140 kb/d).

据估算，与2001年相比，2002年亚太地区石油制品需求的增长值为215千桶/天，其中中国的需求增长量占总增长量的65%(与上年相比，中国在2002年的增长值为140千桶/天)。

Cracking C_5 had become an important way for making the best of petroleum resources and decreasing the cost of producing ethane, and it had been taken into account in world.

裂解C_5的分离已成为充分利用石油资源和提高乙烯生产经济效益的一个重要方面，并已引起世界各国的普遍重视。

It is the first time that the petroleum ether extract and ethyl acetate extract of Nerviliafoadii.

首次确定了青天葵的石油醚和乙酸乙酯部位是体内抗肿瘤作用的有效部位。

Objective To study the antitumor effects of the petroleum ether extract from Stellera Chamaejasˉmel L.

目的研究瑞香狼毒石油醚提取物的抗肿瘤作用。

For the determination of organochlorine and pyrethroid pesticide residues, the sample was extract with petroleum ether.

有机氯和拟除虫菊酯类农药残留测定中，利用石油醚对样品进行提取。

The extract of petroleum ether of Rhizoma Amorphophalli is possibly one of antineoplastic parts of the plant.

蛇六谷石油醚萃取物可能是该药抗肿瘤的有效部位之一。

The main aim of this paper is research the technology that combine enzyme treatment and petroleum ether to extract the Jatropha curcas L.

本论文旨在对酶处理与石油醚浸出相结合提取麻疯树籽油脂工艺的研究。

Objective To explore antibacterial effects of alchohol extract and petroleum ether extract from Herba Euphorbia humifusa on common oral pathogenic bacteria in vitro.

目的 探讨地锦草乙醇提取物和石油醚提取物对口腔病原菌的体外抗茵作用。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。